Hecho general: 9509 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 9509 is a boring number.
Trivia: 9509 is an uninteresting number.
Fecha histórica: January 12th is the day in 2010 that the 2010 Haiti earthquake occurs killing an estimated 316,000 and destroying the majority of the capital Port-au-Prince.